Coherent noise removal in seismic data with dual-tree M-band wavelets

Laurent Duval; Caroline Chaux; Stéphan Ker

doi:10.1117/12.735533

20 September 2007 Coherent noise removal in seismic data with dual-tree M-band wavelets

Laurent Duval, Caroline Chaux, Stéphan Ker

Proceedings Volume 6701, Wavelets XII; 67011W (2007) https://doi.org/10.1117/12.735533
Event: Optical Engineering + Applications, 2007, San Diego, California, United States

Abstract

Seismic data and their complexity still challenge signal processing algorithms in several applications. The advent of wavelet transforms has allowed improvements in tackling denoising problems. We propose here coherent noise filtering in seismic data with the dual-tree M-band wavelet transform. They offer the possibility to decompose data locally with improved multiscale directions and frequency bands. Denoising is performed in a deterministic fashion in the directional subbands, depending of the coherent noise properties. Preliminary results show that they consistently better preserve seismic signal of interest embedded in highly energetic directional noises than discrete critically sampled and redundant separable wavelet transforms.

Citation Download Citation

Laurent Duval, Caroline Chaux, and Stéphan Ker "Coherent noise removal in seismic data with dual-tree M-band wavelets", Proc. SPIE 6701, Wavelets XII, 67011W (20 September 2007); https://doi.org/10.1117/12.735533

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